20546212 has 6 divisors (see below), whose sum is σ = 35955878. Its totient is φ = 10273104.

The previous prime is 20546189. The next prime is 20546213. The reversal of 20546212 is 21264502.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 7986276 = 3544^2 + 2826^2 .

It is not an unprimeable number, because it can be changed into a prime (20546213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2568273 + ... + 2568280.

Almost surely, 2^20546212 is an apocalyptic number.

It is an amenable number.

20546212 is a deficient number, since it is larger than the sum of its proper divisors (15409666).

20546212 is a wasteful number, since it uses less digits than its factorization.

20546212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136557 (or 5136555 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20546212 is about 4532.7929579896. The cubic root of 20546212 is about 273.8906804562.

The spelling of 20546212 in words is "twenty million, five hundred forty-six thousand, two hundred twelve".